Geographic Grid Reference Spatial Data Integration Research

With the development of GIS socialization, spatial data sharing has become an inevitable requirement. But in order to realize the sharing of spatial data, spatial data integration is a serious problem. It can provide data base for date sharing and data analysis only when this problem is well resolved.Different data adherent to on different space scope, and they lack of a unified space fundus. So sharing can not be achieved, and it is difficult to meet the application needs of the community. To solve this problem, we need a unified space fundus platform to achieve the integration of different data in order to achieve full sharing and synergies of spatial information resources. In addition, because of the localization of the organizing mode of spatial data, the level of automation and speed is limited and has yet to be improved when we do geospatial analysis. So we need a new presentation which can change this situation.First of all , this paper summarized the theories about the spatial data integration technologies, discussed the characters and the organization of the geo-space data. Then it fetched out the concept of geo-grid reference system, and introduced its division and coding. Furthermore, the author put forwards the thought of geospatial information , the grids can be regarded as a spatial fundus platform to integrate all kinds of spatial data, and it can offer a new way to do spatial analysis. Finally, the methods of the grid-based spatial data integration are implemented, including the vector and raster data, multi-resource spatial data, different scale data and heterogeneity area data. This paper takes information of forest as an example, explains the method of information integration from social special data to grid cells then to administrative districts. The grid cells can be as the bridge of kinds of information.